Created by StemPy LabWhich particle of the atom carries a negative charge and has the smallest mass?
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← Before the experiment was done, Thomson's model of the atom predicted what alpha particles would do at a thin gold foil. Which drawing shows that prediction?In a gold foil experiment, about 1 alpha particle in 12 000 bounces back. If 60 000 alpha particles are fired at the foil, about how many bounce back? →
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